wannacry | d247e431d61e27adf7395e6714f57fe0e9a77e79ba0a02b5f8302edfa1524a10

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 12:41

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General

Target

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Size

3.6MB
MD5

48adb5fe6c187e0068e7b201047ba0e2
SHA1

e39bc9a562a9bb0d14bb0ff0731737dcc23777a8
SHA256

d247e431d61e27adf7395e6714f57fe0e9a77e79ba0a02b5f8302edfa1524a10
SHA512

fc90c19a4ceb8fd371c93978cca00256c8df3f260245df3ae94caa2f09933678040f7970c8e43a76cf48c7bc917861256c32f525f7f404e68835d5a4bf1e4bf5
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8I:yDqPe1Cxcxk3ZAEUadzR8I

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (2950) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

2856 tasksche.exe
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Drops file in Windows directory 1 IoCs

Processes:

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

pid	process
2856	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3792
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2856

C:\Users\Admin\AppData\Local\Temp\2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
bc5789e78a774b51b24d2284012d7665

SHA1
423194fe7d8a7eb1d590ad46c9d4440bd3e346cb

SHA256
44db098da7b708f553f39f41f80c4d3f38aa728ce4d4513dbf9d3aa2851b93f9

SHA512
9da81abce19a8a2e9a76fbaf002547a274877dac698217310703ee40ed3255c4122ebfa4625571c9b5e8c6dc99e4159e0d4e7b5bd6b9cbdbf285a0a6095b2b64

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